Official data from INPI

PROCESSO PARA A PREPARACAO BIOLOGICA DE AGUAS E APLICACAO DO PROCESSO

ConcedidaInvention Patent

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Application data

Number

PI7708753

Type

Invention Patent

Filing

12/29/1977

Publication

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Progress at the INPI

Filing12/29/77
Publication
Examination
Allowance12/07/82
Grant06/28/83
Terminated08/28/90

The patent was granted on 06/28/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. A. (pessoa física)

Inventors

V. L. (pessoa física)

Technical data

IPC Classification

C02C 1/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Deferimento

#9.1

12/07/1982

RPI 633

Exigência - art. 36 da LPI

#6.1

03/30/1982

RPI 597

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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